Home / 109,806,821.40-164,662,992.90-55,198,306.20

Finding the Fourth Proportional to 109,806,821.40, 164,662,992.90 and 55,198,306.20

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Solution

The fourth proportional to 109,806,821.40, 164,662,992.90 and 55,198,306.20 is: 82,773,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,806,821.40 : 164,662,992.90 = 55,198,306.20 : x
  2. Step 2: Convert to fraction form
    109,806,821.40/164,662,992.90 = 55,198,306.20/x
  3. Step 3: Cross multiply
    109,806,821.40x = 164,662,992.90 × 55,198,306.20
  4. Step 4: Simplify right side
    109,806,821.40x = 9,089,118,301,902,626
  5. Step 5: Solve for x
    x = 9,089,118,301,902,626/109,806,821.40
  6. Step 6: Final answer
    x = 82,773,712.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.